ABAP Select data from SAP table CCSCHAGRM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCSCHAGRM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to CCSCHAGRM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the CCSCHAGRM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_CCSCHAGRM TYPE STANDARD TABLE OF CCSCHAGRM,
      WA_CCSCHAGRM TYPE CCSCHAGRM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <CCSCHAGRM> TYPE CCSCHAGRM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CCSCHAGRM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CCSCHAGRM
  INTO TABLE IT_CCSCHAGRM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCSCHAGRM
*  INTO TABLE @DATA(IT_CCSCHAGRM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_CCSCHAGRM INDEX 1 INTO DATA(WA_CCSCHAGRM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CCSCHAGRM ASSIGNING <CCSCHAGRM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCSCHAGRM>-MANDT = 1.
<CCSCHAGRM>-JITCONTROLCYCLE = 1.
<CCSCHAGRM>-PLANT = 1.
<CCSCHAGRM>-JITCTRLCYCHDRMATLSCHEDGAGRMT = 1.
<CCSCHAGRM>-ACTIVESCHEDGAGRMTITM = 1.

ENDLOOP.

LOOP AT IT_CCSCHAGRM INTO WA_CCSCHAGRM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCSCHAGRM-JITCTRLCYCBOMSCHEDGAGRMT, sy-vline,
  WA_CCSCHAGRM-ACTIVESCHEDULINGAGREEMENTITEM, sy-vline,
  WA_CCSCHAGRM-MATERIAL, sy-vline,
  WA_CCSCHAGRM-SCHEDULINGAGREEMENT, sy-vline,
  WA_CCSCHAGRM-SCHEDULINGAGREEMENTITEM, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_CCSCHAGRM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_CCSCHAGRM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_CCSCHAGRM INTO WA_CCSCHAGRM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field JITCONTROLCYCLE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSCHAGRM-JITCONTROLCYCLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSCHAGRM-JITCONTROLCYCLE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JITCTRLCYCHDRMATLSCHEDGAGRMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSCHAGRM-JITCTRLCYCHDRMATLSCHEDGAGRMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSCHAGRM-JITCTRLCYCHDRMATLSCHEDGAGRMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JITCTRLCYCBOMSCHEDGAGRMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSCHAGRM-JITCTRLCYCBOMSCHEDGAGRMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSCHAGRM-JITCTRLCYCBOMSCHEDGAGRMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCSCHAGRM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSCHAGRM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SCHEDULINGAGREEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSCHAGRM-SCHEDULINGAGREEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSCHAGRM-SCHEDULINGAGREEMENT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CCSCHAGRM_STR, 
MANDT TYPE STRING,
JITCONTROLCYCLE TYPE STRING,
PLANT TYPE STRING,
JITCTRLCYCHDRMATLSCHEDGAGRMT TYPE STRING,
ACTIVESCHEDGAGRMTITM TYPE STRING,
JITCTRLCYCBOMSCHEDGAGRMT TYPE STRING,
ACTIVESCHEDULINGAGREEMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
SCHEDULINGAGREEMENT TYPE STRING,
SCHEDULINGAGREEMENTITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCSCHAGRM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_CCSCHAGRM_STR-MANDT sy-vline 
WA_CCSCHAGRM_STR-JITCONTROLCYCLE sy-vline 
WA_CCSCHAGRM_STR-PLANT sy-vline 
WA_CCSCHAGRM_STR-JITCTRLCYCHDRMATLSCHEDGAGRMT sy-vline 
WA_CCSCHAGRM_STR-ACTIVESCHEDGAGRMTITM sy-vline 
WA_CCSCHAGRM_STR-JITCTRLCYCBOMSCHEDGAGRMT sy-vline 
WA_CCSCHAGRM_STR-ACTIVESCHEDULINGAGREEMENTITEM sy-vline 
WA_CCSCHAGRM_STR-MATERIAL sy-vline 
WA_CCSCHAGRM_STR-SCHEDULINGAGREEMENT sy-vline 
WA_CCSCHAGRM_STR-SCHEDULINGAGREEMENTITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.